remove libressl 3.8.4 from ci (#11791)

it's no longer used by any supported version of openbsd

Author: alex

.github/workflows/ci.yml

@@ -42,7 +42,6 @@ jobs:
           - {VERSION: "3.12", NOXSESSION: "tests", NOXARGS: "--enable-fips=1", OPENSSL: {TYPE: "openssl", CONFIG_FLAGS: "enable-fips", VERSION: "3.1.7"}}
           - {VERSION: "3.12", NOXSESSION: "tests", NOXARGS: "--enable-fips=1", OPENSSL: {TYPE: "openssl", CONFIG_FLAGS: "enable-fips", VERSION: "3.2.3"}}
           - {VERSION: "3.12", NOXSESSION: "tests", OPENSSL: {TYPE: "openssl", VERSION: "3.4.0-beta1"}}
-          - {VERSION: "3.12", NOXSESSION: "rust,tests", OPENSSL: {TYPE: "libressl", VERSION: "3.8.4"}}
           - {VERSION: "3.12", NOXSESSION: "rust,tests", OPENSSL: {TYPE: "libressl", VERSION: "3.9.2"}}
           - {VERSION: "3.12", NOXSESSION: "rust,tests", OPENSSL: {TYPE: "libressl", VERSION: "4.0.0"}}
           - {VERSION: "3.12", NOXSESSION: "tests-randomorder"}